From the eForm documentation in assets/eform/docs/eform.htm:
# &mobile (Optional)
Mobile email address. This email is used to send a short notification message to a mobile device.
# &mobiletext (Optional)
Text message to send to mobile device Can include [.form fields.]. E.g. Order for [.firstname.]
I’ve never used these parameters myself, they were in the code before I took over the eform coding but they are meant to sent a short alert to a (mobile) email address.
